Merge pull request #1714 from katzyn/value

Assorted changes

h2/src/docsrc/html/changelog.html

@@ -21,6 +21,12 @@ Change Log
 
 <h2>Next Version (unreleased)</h2>
 <ul>
+<li>Issue #1715: Postgres mode: Domain "regproc" already exists
+</li>
+<li>PR #1714: Assorted changes
+</li>
+<li>PR #1713: Remove DataType.defaultDisplaySize and fix display size in TypeInfo
+</li>
 <li>PR #1711: Add QUALIFY clause to SELECT command
 </li>
 <li>Issue #1708: CREATE TABLE AS doesn't support column lists without data types

h2/src/main/org/h2/engine/Mode.java

@@ -279,12 +279,12 @@ public class Mode {
         // MS SQL Server does not support client info properties. See
         // https://msdn.microsoft.com/en-Us/library/dd571296%28v=sql.110%29.aspx
         mode.supportedClientInfoPropertiesRegEx = null;
-        DataType dt = DataType.createDecimal(19, 19, 4, 21, false, false);
+        DataType dt = DataType.createNumeric(19, 4, false);
         dt.type = Value.DECIMAL;
         dt.sqlType = Types.NUMERIC;
         dt.name = "MONEY";
         mode.typeByNameMap.put("MONEY", dt);
-        dt = DataType.createDecimal(10, 10, 4, 12, false, false);
+        dt = DataType.createNumeric(10, 4, false);
         dt.type = Value.DECIMAL;
         dt.sqlType = Types.NUMERIC;
         dt.name = "SMALLMONEY";
@@ -348,7 +348,7 @@ public class Mode {
         disallowedTypes.add("TINYINT");
         disallowedTypes.add("BLOB");
         mode.disallowedTypes = disallowedTypes;
-        dt = DataType.createDecimal(19, 19, 2, 21, false, false);
+        dt = DataType.createNumeric(19, 2, false);
         dt.type = Value.DECIMAL;
         dt.sqlType = Types.NUMERIC;
         dt.name = "MONEY";

h2/src/main/org/h2/expression/Expression.java

@@ -15,7 +15,7 @@ import org.h2.table.ColumnResolver;
 import org.h2.table.TableFilter;
 import org.h2.value.TypeInfo;
 import org.h2.value.Value;
-import org.h2.value.ValueArray;
+import org.h2.value.ValueCollectionBase;
 
 /**
  * An expression is a operation, a value, or a function in a query.
@@ -370,7 +370,7 @@ public abstract class Expression {
      * @param value the value to extract columns from
      * @return array of expression columns
      */
-    protected static Expression[] getExpressionColumns(Session session, ValueArray value) {
+    protected static Expression[] getExpressionColumns(Session session, ValueCollectionBase value) {
         Value[] list = value.getList();
         ExpressionColumn[] expr = new ExpressionColumn[list.length];
         for (int i = 0, len = list.length; i < len; i++) {

h2/src/main/org/h2/expression/ValueExpression.java

@@ -13,8 +13,8 @@ import org.h2.table.ColumnResolver;
 import org.h2.table.TableFilter;
 import org.h2.value.TypeInfo;
 import org.h2.value.Value;
-import org.h2.value.ValueArray;
 import org.h2.value.ValueBoolean;
+import org.h2.value.ValueCollectionBase;
 import org.h2.value.ValueNull;
 
 /**
@@ -163,8 +163,9 @@ public class ValueExpression extends Expression {
 
     @Override
     public Expression[] getExpressionColumns(Session session) {
-        if (getType().getValueType() == Value.ARRAY) {
-            return getExpressionColumns(session, (ValueArray) getValue(session));
+        int valueType = getType().getValueType();
+        if (valueType == Value.ARRAY || valueType == Value.ROW) {
+            return getExpressionColumns(session, (ValueCollectionBase) getValue(session));
         }
         return super.getExpressionColumns(session);
     }

h2/src/main/org/h2/expression/function/JavaFunction.java

@@ -161,6 +161,7 @@ public class JavaFunction extends Expression implements FunctionCall {
             ValueResultSet rs = getValueForColumnList(session, getArgs());
             return getExpressionColumns(session, rs.getResult());
         case Value.ARRAY:
+        case Value.ROW:
             return getExpressionColumns(session, (ValueArray) getValue(session));
         }
         return super.getExpressionColumns(session);

h2/src/main/org/h2/server/pg/pg_catalog.sql

@@ -107,6 +107,7 @@ merge into pg_catalog.pg_type values(
     null
 );
 
+drop domain if exists regproc cascade;
 create domain regproc as varchar_ignorecase;
 
 create view pg_catalog.pg_class -- (oid, relname, relnamespace, relkind, relam, reltuples, reltablespace, relpages, relhasindex, relhasrules, relhasoids, relchecks, reltriggers)

h2/src/main/org/h2/util/geometry/JTSUtils.java

@@ -456,8 +456,8 @@ public final class JTSUtils {
         int d = sequence.getDimension();
         if (M_IS_SUPPORTED) {
             d -= measures;
-            z = d > 2 ? sequence.getOrdinate(index, Z) : Double.NaN;
-            m = measures >= 1 ? sequence.getOrdinate(index, d) : Double.NaN;
+            z = d > 2 ? toCanonicalDouble(sequence.getOrdinate(index, Z)) : Double.NaN;
+            m = measures >= 1 ? toCanonicalDouble(sequence.getOrdinate(index, d)) : Double.NaN;
         } else {
             z = d >= 3 ? toCanonicalDouble(sequence.getOrdinate(index, Z)) : Double.NaN;
             m = d >= 4 ? toCanonicalDouble(sequence.getOrdinate(index, M)) : Double.NaN;

h2/src/main/org/h2/value/DataType.java

@@ -163,11 +163,6 @@ public class DataType {
      */
     public boolean hidden;
 
-    /**
-     * The number of bytes required for an object.
-     */
-    public int memory;
-
     static {
         Class<?> g;
         try {
@@ -182,77 +177,52 @@ public class DataType {
         dataType.defaultPrecision = dataType.maxPrecision = ValueNull.PRECISION;
         add(Value.NULL, Types.NULL,
                 dataType,
-                new String[]{"NULL"},
-                // the value is always in the cache
-                0
+                new String[]{"NULL"}
         );
         add(Value.STRING, Types.VARCHAR,
                 createString(true),
                 new String[]{"VARCHAR", "CHARACTER VARYING", "VARCHAR2", "NVARCHAR", "NVARCHAR2",
-                    "VARCHAR_CASESENSITIVE", "TID"},
-                // 24 for ValueString, 24 for String
-                48
+                    "VARCHAR_CASESENSITIVE", "TID"}
         );
         add(Value.STRING, Types.LONGVARCHAR,
                 createString(true),
-                new String[]{"LONGVARCHAR", "LONGNVARCHAR"},
-                48
+                new String[]{"LONGVARCHAR", "LONGNVARCHAR"}
         );
         add(Value.STRING_FIXED, Types.CHAR,
                 createString(true),
-                new String[]{"CHAR", "CHARACTER", "NCHAR"},
-                48
+                new String[]{"CHAR", "CHARACTER", "NCHAR"}
         );
         add(Value.STRING_IGNORECASE, Types.VARCHAR,
                 createString(false),
-                new String[]{"VARCHAR_IGNORECASE"},
-                48
+                new String[]{"VARCHAR_IGNORECASE"}
         );
         add(Value.BOOLEAN, Types.BOOLEAN,
-                createDecimal(ValueBoolean.PRECISION, ValueBoolean.PRECISION,
-                        0, ValueBoolean.DISPLAY_SIZE, false, false),
-                new String[]{"BOOLEAN", "BIT", "BOOL"},
-                // the value is always in the cache
-                0
+                createNumeric(ValueBoolean.PRECISION, 0, false),
+                new String[]{"BOOLEAN", "BIT", "BOOL"}
         );
         add(Value.BYTE, Types.TINYINT,
-                createDecimal(ValueByte.PRECISION, ValueByte.PRECISION, 0,
-                        ValueByte.DISPLAY_SIZE, false, false),
-                new String[]{"TINYINT"},
-                // the value is almost always in the cache
-                1
+                createNumeric(ValueByte.PRECISION, 0, false),
+                new String[]{"TINYINT"}
         );
         add(Value.SHORT, Types.SMALLINT,
-                createDecimal(ValueShort.PRECISION, ValueShort.PRECISION, 0,
-                        ValueShort.DISPLAY_SIZE, false, false),
-                new String[]{"SMALLINT", "YEAR", "INT2"},
-                // in many cases the value is in the cache
-                20
+                createNumeric(ValueShort.PRECISION, 0, false),
+                new String[]{"SMALLINT", "YEAR", "INT2"}
         );
         add(Value.INT, Types.INTEGER,
-                createDecimal(ValueInt.PRECISION, ValueInt.PRECISION, 0,
-                        ValueInt.DISPLAY_SIZE, false, false),
-                new String[]{"INTEGER", "INT", "MEDIUMINT", "INT4", "SIGNED"},
-                // in many cases the value is in the cache
-                20
+                createNumeric(ValueInt.PRECISION, 0, false),
+                new String[]{"INTEGER", "INT", "MEDIUMINT", "INT4", "SIGNED"}
         );
         add(Value.INT, Types.INTEGER,
-                createDecimal(ValueInt.PRECISION, ValueInt.PRECISION, 0,
-                        ValueInt.DISPLAY_SIZE, false, true),
-                new String[]{"SERIAL"},
-                20
+                createNumeric(ValueInt.PRECISION, 0, true),
+                new String[]{"SERIAL"}
         );
         add(Value.LONG, Types.BIGINT,
-                createDecimal(ValueLong.PRECISION, ValueLong.PRECISION, 0,
-                        ValueLong.DISPLAY_SIZE, false, false),
-                new String[]{"BIGINT", "INT8", "LONG"},
-                24
+                createNumeric(ValueLong.PRECISION, 0, false),
+                new String[]{"BIGINT", "INT8", "LONG"}
         );
         add(Value.LONG, Types.BIGINT,
-                createDecimal(ValueLong.PRECISION, ValueLong.PRECISION, 0,
-                        ValueLong.DISPLAY_SIZE, false, true),
-                new String[]{"IDENTITY", "BIGSERIAL"},
-                24
+                createNumeric(ValueLong.PRECISION, 0, true),
+                new String[]{"IDENTITY", "BIGSERIAL"}
         );
         if (SysProperties.BIG_DECIMAL_IS_DECIMAL) {
             addDecimal();
@@ -262,44 +232,32 @@ public class DataType {
             addDecimal();
         }
         add(Value.FLOAT, Types.REAL,
-                createDecimal(ValueFloat.PRECISION, ValueFloat.PRECISION,
-                        0, ValueFloat.DISPLAY_SIZE, false, false),
-                new String[] {"REAL", "FLOAT4"},
-                24
+                createNumeric(ValueFloat.PRECISION, 0, false),
+                new String[] {"REAL", "FLOAT4"}
         );
         add(Value.DOUBLE, Types.DOUBLE,
-                createDecimal(ValueDouble.PRECISION, ValueDouble.PRECISION,
-                        0, ValueDouble.DISPLAY_SIZE, false, false),
-                new String[] { "DOUBLE", "DOUBLE PRECISION" },
-                24
+                createNumeric(ValueDouble.PRECISION, 0, false),
+                new String[] { "DOUBLE", "DOUBLE PRECISION" }
         );
         add(Value.DOUBLE, Types.FLOAT,
-                createDecimal(ValueDouble.PRECISION, ValueDouble.PRECISION,
-                        0, ValueDouble.DISPLAY_SIZE, false, false),
-                new String[] {"FLOAT", "FLOAT8" },
-                24
+                createNumeric(ValueDouble.PRECISION, 0, false),
+                new String[] {"FLOAT", "FLOAT8" }
         );
         add(Value.TIME, Types.TIME,
                 createDate(ValueTime.MAXIMUM_PRECISION, ValueTime.DEFAULT_PRECISION,
                         "TIME", true, ValueTime.DEFAULT_SCALE, ValueTime.MAXIMUM_SCALE),
-                new String[]{"TIME", "TIME WITHOUT TIME ZONE"},
-                // 24 for ValueTime, 32 for java.sql.Time
-                56
+                new String[]{"TIME", "TIME WITHOUT TIME ZONE"}
         );
         add(Value.DATE, Types.DATE,
                 createDate(ValueDate.PRECISION, ValueDate.PRECISION,
                         "DATE", false, 0, 0),
-                new String[]{"DATE"},
-                // 24 for ValueDate, 32 for java.sql.Date
-                56
+                new String[]{"DATE"}
         );
         add(Value.TIMESTAMP, Types.TIMESTAMP,
                 createDate(ValueTimestamp.MAXIMUM_PRECISION, ValueTimestamp.DEFAULT_PRECISION,
                         "TIMESTAMP", true, ValueTimestamp.DEFAULT_SCALE, ValueTimestamp.MAXIMUM_SCALE),
                 new String[]{"TIMESTAMP", "TIMESTAMP WITHOUT TIME ZONE",
-                        "DATETIME", "DATETIME2", "SMALLDATETIME"},
-                // 24 for ValueTimestamp, 32 for java.sql.Timestamp
-                56
+                        "DATETIME", "DATETIME2", "SMALLDATETIME"}
         );
         // 2014 is the value of Types.TIMESTAMP_WITH_TIMEZONE
         // use the value instead of the reference because the code has to
@@ -309,24 +267,19 @@ public class DataType {
                 createDate(ValueTimestampTimeZone.MAXIMUM_PRECISION, ValueTimestampTimeZone.DEFAULT_PRECISION,
                         "TIMESTAMP_TZ", true, ValueTimestampTimeZone.DEFAULT_SCALE,
                         ValueTimestampTimeZone.MAXIMUM_SCALE),
-                new String[]{"TIMESTAMP WITH TIME ZONE"},
-                // 26 for ValueTimestampTimeZone, 32 for java.sql.Timestamp
-                58
+                new String[]{"TIMESTAMP WITH TIME ZONE"}
         );
         add(Value.BYTES, Types.VARBINARY,
                 createString(false),
-                new String[]{"VARBINARY", "BINARY VARYING"},
-                32
+                new String[]{"VARBINARY", "BINARY VARYING"}
         );
         add(Value.BYTES, Types.BINARY,
                 createString(false),
-                new String[]{"BINARY", "RAW", "BYTEA", "LONG RAW"},
-                32
+                new String[]{"BINARY", "RAW", "BYTEA", "LONG RAW"}
         );
         add(Value.BYTES, Types.LONGVARBINARY,
                 createString(false),
-                new String[]{"LONGVARBINARY"},
-                32
+                new String[]{"LONGVARBINARY"}
         );
         dataType = new DataType();
         dataType.prefix = dataType.suffix = "'";
@@ -334,55 +287,45 @@ public class DataType {
         add(Value.UUID, Types.BINARY,
                 createString(false),
                 // UNIQUEIDENTIFIER is the MSSQL mode equivalent
-                new String[]{"UUID", "UNIQUEIDENTIFIER"},
-                32
+                new String[]{"UUID", "UNIQUEIDENTIFIER"}
         );
         add(Value.JAVA_OBJECT, Types.OTHER,
                 createString(false),
-                new String[]{"OTHER", "OBJECT", "JAVA_OBJECT"},
-                24
+                new String[]{"OTHER", "OBJECT", "JAVA_OBJECT"}
         );
         add(Value.BLOB, Types.BLOB,
                 createLob(),
                 new String[]{"BLOB", "BINARY LARGE OBJECT", "TINYBLOB", "MEDIUMBLOB",
-                    "LONGBLOB", "IMAGE", "OID"},
-                // 80 for ValueLob, 24 for String
-                104
+                    "LONGBLOB", "IMAGE", "OID"}
         );
         add(Value.CLOB, Types.CLOB,
                 createLob(),
                 new String[]{"CLOB", "CHARACTER LARGE OBJECT", "TINYTEXT", "TEXT", "MEDIUMTEXT",
-                    "LONGTEXT", "NTEXT", "NCLOB"},
-                // 80 for ValueLob, 24 for String
-                104
+                    "LONGTEXT", "NTEXT", "NCLOB"}
         );
         add(Value.GEOMETRY, Types.OTHER,
                 createGeometry(),
-                new String[]{"GEOMETRY"},
-                32
+                new String[]{"GEOMETRY"}
         );
         dataType = new DataType();
         dataType.prefix = "ARRAY[";
         dataType.suffix = "]";
         add(Value.ARRAY, Types.ARRAY,
                 dataType,
-                new String[]{"ARRAY"},
-                32
+                new String[]{"ARRAY"}
         );
         dataType = new DataType();
         dataType.maxPrecision = dataType.defaultPrecision = Integer.MAX_VALUE;
         add(Value.RESULT_SET, DataType.TYPE_RESULT_SET,
                 dataType,
-                new String[]{"RESULT_SET"},
-                400
+                new String[]{"RESULT_SET"}
         );
         dataType = createString(false);
         dataType.supportsPrecision = false;
         dataType.supportsScale = false;
         add(Value.ENUM, Types.OTHER,
                 dataType,
-                new String[]{"ENUM"},
-                48
+                new String[]{"ENUM"}
         );
         for (int i = Value.INTERVAL_YEAR; i <= Value.INTERVAL_MINUTE_TO_SECOND; i++) {
             addInterval(i);
@@ -399,24 +342,15 @@ public class DataType {
 
     private static void addDecimal() {
         add(Value.DECIMAL, Types.DECIMAL,
-                createDecimal(Integer.MAX_VALUE,
-                        ValueDecimal.DEFAULT_PRECISION,
-                        ValueDecimal.DEFAULT_SCALE,
-                        ValueDecimal.DEFAULT_DISPLAY_SIZE, true, false),
-                new String[]{"DECIMAL", "DEC"},
-                // 40 for ValueDecimal,
-                64
+                createNumeric(Integer.MAX_VALUE, ValueDecimal.DEFAULT_PRECISION, ValueDecimal.DEFAULT_SCALE),
+                new String[]{"DECIMAL", "DEC"}
         );
     }
 
     private static void addNumeric() {
         add(Value.DECIMAL, Types.NUMERIC,
-                createDecimal(Integer.MAX_VALUE,
-                        ValueDecimal.DEFAULT_PRECISION,
-                        ValueDecimal.DEFAULT_SCALE,
-                        ValueDecimal.DEFAULT_DISPLAY_SIZE, true, false),
-                new String[]{"NUMERIC", "NUMBER"},
-                64
+                createNumeric(Integer.MAX_VALUE, ValueDecimal.DEFAULT_PRECISION, ValueDecimal.DEFAULT_SCALE),
+                new String[]{"NUMERIC", "NUMBER"}
         );
     }
 
@@ -433,15 +367,17 @@ public class DataType {
             dataType.supportsScale = true;
             dataType.defaultScale = ValueInterval.DEFAULT_SCALE;
             dataType.maxScale = ValueInterval.MAXIMUM_SCALE;
+            dataType.params = "PRECISION,SCALE";
+        } else {
+            dataType.params = "PRECISION";
         }
         add(type, Types.OTHER, dataType,
-                new String[]{("INTERVAL " + name).intern()},
-                36
+                new String[]{("INTERVAL " + name).intern()}
         );
     }
 
     private static void add(int type, int sqlType,
-            DataType dataType, String[] names, int memory) {
+            DataType dataType, String[] names) {
         for (int i = 0; i < names.length; i++) {
             DataType dt = new DataType();
             dt.type = type;
@@ -461,7 +397,6 @@ public class DataType {
             dt.defaultScale = dataType.defaultScale;
             dt.caseSensitive = dataType.caseSensitive;
             dt.hidden = i > 0;
-            dt.memory = memory;
             for (DataType t2 : TYPES) {
                 if (t2.sqlType == dt.sqlType) {
                     dt.sqlTypePos++;
@@ -475,32 +410,41 @@ public class DataType {
         }
     }
 
+    /**
+     * Create a width numeric data type without parameters.
+     *
+     * @param precision precision
+     * @param scale scale
+     * @param autoInc whether the data type is an auto-increment type
+     * @return data type
+     */
+    public static DataType createNumeric(int precision, int scale, boolean autoInc) {
+        DataType dataType = new DataType();
+        dataType.defaultPrecision = dataType.maxPrecision = precision;
+        dataType.defaultScale = dataType.maxScale = dataType.minScale = scale;
+        dataType.decimal = true;
+        dataType.autoIncrement = autoInc;
+        return dataType;
+    }
+
     /**
      * Create a numeric data type.
      *
      * @param maxPrecision maximum supported precision
      * @param defaultPrecision default precision
      * @param defaultScale default scale
-     * @param defaultDisplaySize default display size
-     * @param needsPrecisionAndScale where precision and scale are supported
-     * @param autoInc whether the data type is an auto-increment type
      * @return data type
      */
-    public static DataType createDecimal(int maxPrecision,
-            int defaultPrecision, int defaultScale, int defaultDisplaySize,
-            boolean needsPrecisionAndScale, boolean autoInc) {
+    public static DataType createNumeric(int maxPrecision, int defaultPrecision, int defaultScale) {
         DataType dataType = new DataType();
         dataType.maxPrecision = maxPrecision;
         dataType.defaultPrecision = defaultPrecision;
         dataType.defaultScale = defaultScale;
-        if (needsPrecisionAndScale) {
         dataType.params = "PRECISION,SCALE";
         dataType.supportsPrecision = true;
         dataType.supportsScale = true;
         dataType.maxScale = maxPrecision;
-        }
         dataType.decimal = true;
-        dataType.autoIncrement = autoInc;
         return dataType;
     }
 
@@ -521,10 +465,13 @@ public class DataType {
         dataType.prefix = prefix + " '";
         dataType.suffix = "'";
         dataType.maxPrecision = maxPrecision;
-        dataType.supportsScale = supportsScale;
-        dataType.maxScale = maxScale;
         dataType.defaultPrecision = precision;
+        if (supportsScale) {
+            dataType.params = "SCALE";
+            dataType.supportsScale = true;
+            dataType.maxScale = maxScale;
             dataType.defaultScale = scale;
+        }
         return dataType;
     }
 

h2/src/main/org/h2/value/Value.java

@@ -314,7 +314,11 @@ public abstract class Value extends VersionedValue {
      * @return the memory used in bytes
      */
     public int getMemory() {
-        return DataType.getDataType(getValueType()).memory;
+        /*
+         * Java 11 with -XX:-UseCompressedOops for all values up to ValueLong
+         * and ValueDouble.
+         */
+        return 24;
     }
 
     /**

h2/src/main/org/h2/value/ValueBoolean.java

@@ -50,6 +50,12 @@ public class ValueBoolean extends Value {
         return BOOLEAN;
     }
 
+    @Override
+    public int getMemory() {
+        // Singleton TRUE and FALSE values
+        return 0;
+    }
+
     @Override
     public StringBuilder getSQL(StringBuilder builder) {
         return builder.append(getString());

h2/src/main/org/h2/value/ValueCollectionBase.java

@@ -123,7 +123,7 @@ public abstract class ValueCollectionBase extends Value {
 
     @Override
     public int getMemory() {
-        int memory = 32;
+        int memory = 72;
         for (Value v : values) {
             memory += v.getMemory() + Constants.MEMORY_POINTER;
         }

h2/src/main/org/h2/value/ValueEnumBase.java

@@ -103,6 +103,11 @@ public class ValueEnumBase extends Value {
         return ENUM;
     }
 
+    @Override
+    public int getMemory() {
+        return 120;
+    }
+
     @Override
     public int hashCode() {
         int results = 31;

h2/src/main/org/h2/value/ValueInterval.java

@@ -171,6 +171,12 @@ public class ValueInterval extends Value {
         return valueType;
     }
 
+    @Override
+    public int getMemory() {
+        // Java 11 with -XX:-UseCompressedOops
+        return 48;
+    }
+
     @Override
     public Value convertScale(boolean onlyToSmallerScale, int targetScale) {
         if (targetScale >= MAXIMUM_SCALE) {

h2/src/main/org/h2/value/ValueJavaObject.java

@@ -183,9 +183,9 @@ public class ValueJavaObject extends ValueBytes {
         @Override
         public int getMemory() {
             if (value == null) {
-                return DataType.getDataType(getValueType()).memory;
+                return 40;
             }
-            int mem = super.getMemory();
+            int mem = 40;
             if (javaObject != null) {
                 mem *= 2;
             }

h2/src/main/org/h2/value/ValueLobDb.java

@@ -515,7 +515,12 @@ public class ValueLobDb extends Value {
     @Override
     public int getMemory() {
         if (small != null) {
-            return small.length + 104;
+            /*
+             * Java 11 with -XX:-UseCompressedOops
+             * 0 bytes: 120 bytes
+             * 1 byte: 128 bytes
+             */
+            return small.length + 127;
         }
         return 140;
     }

h2/src/main/org/h2/value/ValueNull.java

@@ -63,6 +63,12 @@ public class ValueNull extends Value {
         return NULL;
     }
 
+    @Override
+    public int getMemory() {
+        // Singleton value
+        return 0;
+    }
+
     @Override
     public String getString() {
         return null;

h2/src/main/org/h2/value/ValueResultSet.java

@@ -106,6 +106,11 @@ public class ValueResultSet extends Value {
         return RESULT_SET;
     }
 
+    @Override
+    public int getMemory() {
+        return result.getRowCount() * result.getVisibleColumnCount() * 32 + 400;
+    }
+
     @Override
     public String getString() {
         StringBuilder buff = new StringBuilder("(");

h2/src/main/org/h2/value/ValueString.java

@@ -69,7 +69,12 @@ public class ValueString extends Value {
 
     @Override
     public int getMemory() {
-        return value.length() * 2 + 48;
+        /*
+         * Java 11 with -XX:-UseCompressedOops
+         * Empty string: 88 bytes
+         * 1 to 4 UTF-16 chars: 96 bytes
+         */
+        return value.length() * 2 + 94;
     }
 
     @Override

h2/src/main/org/h2/value/ValueTimestamp.java

@@ -176,6 +176,11 @@ public class ValueTimestamp extends Value {
         return TIMESTAMP;
     }
 
+    @Override
+    public int getMemory() {
+        return 32;
+    }
+
     @Override
     public String getString() {
         StringBuilder buff = new StringBuilder(MAXIMUM_PRECISION);

h2/src/main/org/h2/value/ValueTimestampTimeZone.java

@@ -168,6 +168,12 @@ public class ValueTimestampTimeZone extends Value {
         return TIMESTAMP_TZ;
     }
 
+    @Override
+    public int getMemory() {
+        // Java 11 with -XX:-UseCompressedOops
+        return 40;
+    }
+
     @Override
     public String getString() {
         StringBuilder builder = new StringBuilder(ValueTimestampTimeZone.MAXIMUM_PRECISION);

h2/src/main/org/h2/value/ValueUuid.java

@@ -136,6 +136,11 @@ public class ValueUuid extends Value {
         return TypeInfo.TYPE_UUID;
     }
 
+    @Override
+    public int getMemory() {
+        return 32;
+    }
+
     @Override
     public int getValueType() {
         return UUID;

h2/src/test/org/h2/test/store/TestMVTableEngine.java

@@ -637,7 +637,7 @@ public class TestMVTableEngine extends TestDb {
         String readCount = plan.substring(plan.indexOf("reads: "));
         readCount = readCount.substring("reads: ".length(), readCount.indexOf('\n'));
         int rc = Integer.parseInt(readCount);
-        assertTrue(plan, rc >= 60 && rc <= 70);
+        assertTrue(plan, rc >= 60 && rc <= 80);
 //        assertTrue(plan, rc >= 1000 && rc <= 1200);
         conn.close();
     }

h2/src/tools/org/h2/build/doc/dictionary.txt

@@ -806,4 +806,4 @@ econd irst bcef ordinality nord unnest
 analyst occupation distributive josaph aor engineer sajeewa isuru randil kevin doctor businessman artist ashan
 corrupts splitted disruption unintentional octets preconditions predicates subq objectweb insn opcodes
 preserves masking holder unboxing avert iae transformed subtle reevaluate exclusions subclause ftbl rgr
-presorted inclusion contexts aax mwd percentile cont interpolate mwa hypothetical
+presorted inclusion contexts aax mwd percentile cont interpolate mwa hypothetical regproc